AOpen AX4L, Онлайн-руководство

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ATA/100 is a new IDE specification under developing. ATA/100 uses both rising edge and falling edge as ATA/66 but clock cycle
ime is reduced to 40ns. The data transfer rate is (1/40ns) x 2 bytes x 2 = 100MB/s. To use ATA/100, you need special 80-wire
ATA/133 is a new IDE specification under developing. ATA/133 uses both rising edge and falling edge as ATA/66
t
IDE cable, the same as ATA/66.
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but clock cycle
x 2 bytes x 2 = 133MB/s. To use ATA/133, you need special 80-wire
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e/program that reside in EPROM
time is reduced to 30ns. The data transfer rate is (1/30ns)
IDE cable, the same as ATA/66.
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BIOS is a set of assembly routin or Flash ROM . BIOS controls Input/output devices and other
d. In general, to provide hardware independent portability, operation system and drivers is hardware devices of motherboar
required to access BIOS without directly access hardware devices.